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Implement an Inverted Index

Design and implement an inverted index data structure that maps each unique word to a list of documents or positions where it appears. The solution should support efficient insertion of documents and fast lookup of words.

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Confluent
Confluent
Datadog

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Mid June, 2026

Confluent
Confluent

Staff

Early June, 2026

Confluent
Confluent

Mid-level

Late October, 2025

Datadog

Senior

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